Diana E. Murphy (January 4, 1934 – May 16, 2018) was an American judge. She was born in Faribault, Minnesota. She was a member of the Democratic Party.

Murphy served as United States Circuit Judge of the United States Court of Appeals for the Eighth Circuit after being nominated by President Bill Clinton in 1994 and gained Senior Judge status in 2016 until her retirement in 2018. She was also a former United States District Judge of the United States District Court for the District of Minnesota after being nominated by President Jimmy Carter.

In 1993 she was reportedly considered for the post of Attorney General of the United States, which later went to Janet Reno.

Murphy died in her home in Minneapolis, Minnesota on May 16, 2018, shortly after announcing her full retirement from the bench, of congestive heart failure, aged 84.^[1]

• Diana E. Murphy at the Biographical Directory of Federal Judges, a public domain publication of the Federal Judicial Center.

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